42510780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 142912224

約数和(自身を除く): 100401444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 222, 234, 260, 333, 370, 390, 444, 468, 481, 491, 555, 585, 666, 740, 780, 962, 982, 1110, 1170, 1332, 1443, 1473, 1665, 1924, 1964, 2220, 2340, 2405, 2455, 2886, 2946, 3330, 4329, 4419, 4810, 4910, 5772, 5892, 6383, 6660, 7215, 7365, 8658, 8838, 9620, 9820, 12766, 14430, 14730, 17316, 17676, 18167, 19149, 21645, 22095, 25532, 28860, 29460, 31915, 36334, 38298, 43290, 44190, 54501, 57447, 63830, 72668, 76596, 86580, 88380, 90835, 95745, 109002, 114894, 127660, 163503, 181670, 191490, 218004, 229788, 236171, 272505, 287235, 327006, 363340, 382980, 472342, 545010, 574470, 654012, 708513, 817515, 944684, 1090020, 1148940, 1180855, 1417026, 1635030, 2125539, 2361710, 2834052, 3270060, 3542565, 4251078, 4723420, 7085130, 8502156, 10627695, 14170260, 21255390, 42510780]

約数ペア:

[(1, 42510780), (2, 21255390), (3, 14170260), (4, 10627695), (5, 8502156), (6, 7085130), (9, 4723420), (10, 4251078), (12, 3542565), (13, 3270060), (15, 2834052), (18, 2361710), (20, 2125539), (26, 1635030), (30, 1417026), (36, 1180855), (37, 1148940), (39, 1090020), (45, 944684), (52, 817515), (60, 708513), (65, 654012), (74, 574470), (78, 545010), (90, 472342), (111, 382980), (117, 363340), (130, 327006), (148, 287235), (156, 272505), (180, 236171), (185, 229788), (195, 218004), (222, 191490), (234, 181670), (260, 163503), (333, 127660), (370, 114894), (390, 109002), (444, 95745), (468, 90835), (481, 88380), (491, 86580), (555, 76596), (585, 72668), (666, 63830), (740, 57447), (780, 54501), (962, 44190), (982, 43290), (1110, 38298), (1170, 36334), (1332, 31915), (1443, 29460), (1473, 28860), (1665, 25532), (1924, 22095), (1964, 21645), (2220, 19149), (2340, 18167), (2405, 17676), (2455, 17316), (2886, 14730), (2946, 14430), (3330, 12766), (4329, 9820), (4419, 9620), (4810, 8838), (4910, 8658), (5772, 7365), (5892, 7215), (6383, 6660)]